public async Task <IActionResult> OnGetAsync()
{
//修改
if (Id.HasValue)
{
var artical = await ArticalService.GetArticalByIdAsync(Id.Value).ConfigureAwait(false);
//更新文章
if (artical == null)
{
return(NotFound());
}
//禁止修改别人的文章
if (artical.UserId != CurUserId)
{
return(Forbid());
}
AddOrUpdateArtical = new AddOrUpdateArticalModel
{
ClassificationId = artical.ClassificationId,
Content = artical.Content,
Title = artical.Title
};
}
//有发布系统公告权限？
if ((await AuthorizationService.AuthorizeAsync(User, Permissons.Permisson.Article_System)
.ConfigureAwait(false)).Succeeded)
{
ArticalClassifications = await ArticalService.GetArticalClassificationsAsync().ConfigureAwait(false);
}
else
{
ArticalClassifications = (await ArticalService.GetArticalClassificationsAsync()).Where(e => e.Name != "系统公告").ToList();
}
return(Page());
}
//添加/更新文章
public async Task <IActionResult> OnPostAsync(AddOrUpdateArticalModel AddOrUpdateArtical)
{
do
{
//bool isRunning = cac.Get<bool>($"OnPostAddArticalAsync");
//if (isRunning)
//{
// ModelState.AddModelError("", "两次发帖时间间隔最短为30秒");
// break;
//}
//cache.Set($"OnPostAddArticalAsync", true, TimeSpan.FromSeconds(30));
if (!TryValidateModel(AddOrUpdateArtical))
{
break;
}
//给图片添加响应式和水平居中
var htmlDoc = new HtmlDocument();
htmlDoc.LoadHtml(AddOrUpdateArtical.Content);
//htmlDoc = removeNodes(htmlDoc,new string[] { "//iframe", "//ins" });
var imgs = htmlDoc.DocumentNode.SelectNodes("//img");
if (imgs != null)
{
foreach (var img in imgs)
{
var src = img.Attributes.FirstOrDefault(e => e.Name == "src");
//移除所有属性
img.Attributes.RemoveAll();
img.AddClass("img-fluid d-block mx-auto");
img.SetAttributeValue("style", "width:90%");
img.SetAttributeValue("src", src.Value);
}
AddOrUpdateArtical.Content = htmlDoc.DocumentNode.OuterHtml;
}
if (!Id.HasValue)
{
Result <long> respone = await ArticalService.AddArticalAsync(new AddArticalDto
{
UserId = CurUserId,
ClassificationId = AddOrUpdateArtical.ClassificationId,
Content = AddOrUpdateArtical.Content,
Title = AddOrUpdateArtical.Title.Trim()
}).ConfigureAwait(false);
if (!respone.Succeeded)
{
ModelState.AddModelError("", respone.ErrorMessage);
break;
}
return(Content($"/Forum/ArticalDetail/{respone.Data}"));
}
else
{
var respone = await ArticalService.UpdateArticalAsync(Id.Value, new UpdateArticalDto
{
ArticalId = Id.Value,
Content = AddOrUpdateArtical.Content,
ClassificationId = AddOrUpdateArtical.ClassificationId,
Title = AddOrUpdateArtical.Title.Trim()
}).ConfigureAwait(false);
if (!respone.Succeeded)
{
ModelState.AddModelError("", respone.ErrorMessage);
break;
}
return(Content($"/Forum/ArticalDetail/{Id}"));
}
} while (false);
return(BadRequest(ModelState));
}
